Home / 2,081,459.20-3,121,411.20-1,448,492.80

Finding the Fourth Proportional to 2,081,459.20, 3,121,411.20 and 1,448,492.80

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Solution

The fourth proportional to 2,081,459.20, 3,121,411.20 and 1,448,492.80 is: 2,172,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,459.20 : 3,121,411.20 = 1,448,492.80 : x
  2. Step 2: Convert to fraction form
    2,081,459.20/3,121,411.20 = 1,448,492.80/x
  3. Step 3: Cross multiply
    2,081,459.20x = 3,121,411.20 × 1,448,492.80
  4. Step 4: Simplify right side
    2,081,459.20x = 4,521,341,649,039.36
  5. Step 5: Solve for x
    x = 4,521,341,649,039.36/2,081,459.20
  6. Step 6: Final answer
    x = 2,172,198.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.